/Engine/Source/Editor/SequencerCore/Public/MVVM/Views/SOutlinerView.h
Set aSOutlinerViewobject this Treeview is pinned to, for operations that should happen on the primary
void SetPrimaryTreeView ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [SOutlinerView](API\Editor\SequencerCore\MVVM\Views\SOutlinerView) > InPrimaryTreeView )